Beef Burger with a Twist

1 1/2 pounds extra-lean ground beef
1/3 cup sweet vermouth
1/4 cup lightly packed fresh basil - minced
1/4 cup red onion - minced
1/3 cup unseasoned bread crumbs
8 sun-dried tomatoes -soaked in hot water about 3 minutes-until softened - finely minced
2 tablespoons nonfat Italian salad dressing
2 teaspoons garlic salt
vegetable oil-for brushing on grill
6 hamburger buns-or rolls
6 slices red onion -- optional
basil leaves -- optional

Prepare grill according to manufacturer's instructions. In medium bowl, combine all ingredients.

Shape mixture into 6 patties. Brush the grill with vegetable oil.

Grill burgers 5 to 8 minutes on each side, or until cooked through.

Serve on hamburger buns. Top with red onion and basil, if desired.